Mixer



FIG. 1 is a right front perspective view of the invention as claimed;

FIG. 2 is a right end elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a mixer, as shown and described. 